Radiator



E. V. DAILY May 2, 1933.

RADIATOR Filed July 20, 1951 Patented May 2, 1933 stares insane EUGENEV. DAILY, ()F LOS ANGELES, CALIFORNIA, ASSIGNOB T0 JAMES B. GLOW & SONS,OF CHICAGO, ILLENOIS, A CORPORATION OF ILLINGIS RADIATOR Applicationfiled July 20, 1931.

The invention relates to gas fired heating devices and has referencemore particularly to improvements in the specially constructed or ventsection of gas fired steam radiators.

Radiators of this class usually comprise a series of sections having acombustion chamber disposed within the lower part thereof and thecustomary water and steam chambers located above the combustion chamber.lVithin this latter chamber there is positioned a fuel burner and inorder'to carry off the products of combustion from the burner theradiator is provided with a specially constructed section that is inconnection with a vent outlet. Products of combustion arising throughoutthe length of the lower part of the radiator flow into the speciallyconstructed section and are discharged through the vent outlet. In theoperation of such radiators it is not uncommon for a back draft of airto rush down the vent with the result that unless some provision forcounteracting this effect is made, the danger arises of the gas flame atthe burner being extinguished and the gaseous fuel passing from theburner without burning. Again it is not unusual for a strong up-draft toexist in the vent under certain conditions, creating a strong updraft inthe vent section of the radiator and unless some provision is made tocompensate such strong up-draft there is a tendency for the gas flame tobe lifted off the burner with the result that the gas flame might beentirely extinguished and unburned gas would then be passing from theburner.

For relieving the effect of the down-drafts and strong up-drafts,radiators of this class have heretofore been equipped vith an eX- ternaland detachable draft diverter or regulator placed in the vent pipeconnecting the vent section, which section is located centrally of thelength of the radiator, to the chimney or outside atmosphere.

The present invention is concerned with improvements to the abovedescribed method of providing a device for preventing clowndrafts orexcessive updrafts from interfering with the normal burning of the gasby incorporating it in the vent section and to Serial No. 551,899.

locate the relief opening that is an essential part of a draft diverterin that portion of the vent section that would normally be facing thewall and therefore out of view A still further object is to provide theflue chamber of a vent section with a wall of special configuration,which wi l be so posi tioncd in relation to the vent and relief openingas to direct the out-going products of combustion toward the vent andthe down-drafts toward the relief opening.

\Vith these and various other objects in view, the invention may consistof certain novel features of construction and operation as will be morefully described and particu larly pointed out in the specification,drawing and claims appended hereto.

In the drawing which illustrates an em bodiment of the device, andwherein like reference characters are used to designate like partsFigure 1 is an elevational view, parts being shown in section, of aradiator constructed in accordance with the present invention;

Figure 2 is a fragmentary vertical sectional view taken substantiallythrough the center of the specially constructed vent section, and

Figure 8 is a fragmentary vertical sec tional view showing a modifiedform of construction of the vent section.

Referring to the drawing there is shown in Figure 1 a radiatorcomprising a plurality of sections 2, 4, 6, 8 and 10, each of thesections comprising, as shown in Figure 2, a steam chamber 12 locatedwithin the upper portion of the section and a combustion chamber 14formed within the lower part thereof. The sections are joined togetherby means of nipples l6 projecting laterally from the sides of the steamchamber and water chamber 20 and by means of laterally extending sidewalls 18 projecting from the combustion chamber 14, the water chamber 20and the steam chamber 12. Each section is also provided with a waterchamber 20 located intermediate the combustion chamber 14 and the fluepassage 19 and defined by the top and bottom walls 22 and 24,respectively. The water chamber of each section has communication withthe steam chamber 12 formed in that section by means of the passage 26and the water chamber of each section is joined as shown in Figure 1 bynipples 16.

Thus when a radiator is assembled the steam chambers of the adjacentsections are in communication with one another by means of nipples 16and the water chambers are likewise in communication by means of othernipples 16 located therein. The combustion spaces in the varioussections are aligned with one another and are closed off at the outsidesurface of each end section to form a single large chamber extendingthroughout the length of the radiator in the bottom portion of the same.During the use of the radiator an elongated burner 30 is insertedlengthwise of the combustion chamber 14 of the radiator and is suppliedwith a suitable quantity and quality of fuel for generating steam fromthe water with in the chamber 20. To insure proper combustion it isnecessary to supply secondary air to the burner and accordingly this airis supplied through opening 32 located in each section.

Products of combustion forming in the combustion chamber 14 flow'upwardly between the various sections of the water chamber 20 and thenlengthwise of the radiator through the flue passage 19 into the centralvent section 6, which is specially constructed, as shown in Figure 2.The vent section 6 is preferably of the same appropriate configurationas the adjacent sections and contains a second flue passage 34, whichdoes not exist in adjacent sections, formed immediately above the fluepassage 19 which is common to all adjacent sections and receives all theflue gasses from flue passage 19. A vent opening 36 in the rear wall offlue passage 34 provides for a vent pipe connection 38 to. a chimney oroutside air. Also formed in the rear wall of flue passage 34 below thevent opening 36 is an atmospheric or relief opening 40. In order to moreeffectively direct the upward moving products of combustion in fluepassage 34 toward the vent opening 36 the lower portion of the rear wall42 may be curved as in Figure 2, but the directing action is alsoaccomplished when 42 is vertical as in Figure 3.

A feature of the present invention is the particular configuration givento the top and front walls, which in connection with the verticallyextending side walls 44 and 46 of flue passage 34 and the vent opening36 and relief opening 40 serve to complete an effective draft diverter,which effectively protects the combustion of fuel at the burner 30against disturbance from either a down-draft or an excessive up-draft inthe vent pipe connection 38. As shown in Figures 2 and 3 the top wall 48extends from the vent opening 36 and is curved downwardly merging withan arcuate portion 50 of the front wall of flue passage 34 or with whatmay be described as a portion of more determined curvature. The slopingfront wall 52 extends from a point on side walls 18 adjacent the waterchamber and unites with the arcuate portion 50, forming a cusp 54, whichis positioned directly opposite the atmospheric or relief opening 40.

In operation of the radiator the products of combustion formed by fuelburning at burner 30 rise and flow upwardly between the adjacentsections of the water chamber 20 and then longitudinally through fluepassage 19 of the radiator into the central vent section 6. Underconditions of normal rip-draft in vent pipe 38 and within section 6 theyrise into flue passage 34 and are guided in their movement by means ofthe various walls referred to until they finally pass from the ventsection through the vent opening 36. To direct the rising products ofcombustion toward the vent opening 36 the baffle 42 is provided, which,in connection with sloping front wall 52, and side walls 44 and 46 forma restricted passage through which the products of combustion must flowbefore entering the upper portion of the flue chamber 34.

When a back draft flows down the vent pipe 38 and into the vent sectionthe draft diverter which constitutes this invention directs thedownwardly flowing air by means of the sloping top wall 48 toward theareuate portion 50, which is so positioned in relation to the ventopening 36 and atmospheric opening 40 that the drafts will be directedoutside the vent section through the atmospheric or relief opening 40,thus preventing the down-draft from passing into the lower portion offlue passage 34. At the same time the flue gases are accelerated intheir upward passage in that portion of the flue passage 34 locatedbelow the upper end of baifle 42 and the cusp 54 by reason of thesiphoning action of the down-draft moving at approximately right anglesto that portion of the flue passage located between these two points,which causes the upward moving flue gases to join the downdraft and passfrom the vent section with the down-draft through the relief opening 40.In this manner back drafts are pre vented from effecting the combustionof the fuel at the burner 30.

hen there is an abnormally strong updraft in the vent pipe 38 theatmospheric or relief opening 40 acts as a draft check by permitting theentrance of air from the room to the upper portion of the flue passage34, thereby maintaining a normal draft in the lower portion of fluepassage 34:, which prevents the strong up-draft from disturbing thecombustion of fuel at the burner 30.

It is to be understood that I do not wish to be limited by the exactembodiment of the device shown, which is merely by way of illustrationand not limitation, as various and other forms of the device will beapparent to those skilled in the art without departing from the spiritof the invention or the scope of the claims.

I claim:

1. A radiator of the class described, having in combination, a ventsection and a plurality of adjacent sections communicat ing with thevent section, said vent section comprising a chamber formed by a curvedtop wall, oppositely disposed vertical side walls, and a sloping frontwall merging with the top wall, a vent connection communicating withsaid chamber, said chamber having an opening provided in the same wallas the vent connection and leading to the atmosphere, said top wallbeing curved forwardly and downwardly and finally rearwardly to joinwith the sloping front wall whereby back drafts from the vent connectionstriking said curved top wall are directed toward said atmosphericopening.

2. A radiator of the class described, having in combination, a ventsection and a plurality of adjacent sections communicating with the ventsection, said vent section comprising a chamber having an arcuate topwall extending forwardly and downwardly and merging in an arcuateportion extending rearwardly to simulate a section of an ellipse, asloping rear wall joining with said rearwardly extending portion, andvertical connecting side walls, an atmospheric opening in said chamberlocated substantially opposite the arcuate rcarwardly extending portion,and a vent connection for the chamber, said curved top wall beinglocated opposite the vent connection and atmospheric opening, wherebydown-drafts from the flue are directed toward the atmospheric opening.

3. A vent section of the character described comprising in combination,a flue chamber, a vent connection leading from the rear wall of thechamber, an atmospheric opening provided in said rear wall below thevent connection, the top wall of the chamber being curved downwardlyaway from the flue and terminating in an arouate portion, the side wallopposite the opening being sloping and merging with the arcuate portionto form a convex cusp, whereby said sloping wall directs out-goingproducts of combustion toward the flue and the arcuate por ion directsdown-drafts toward the atmospheric opening.

4. A vent section of the character described comprising in combination,a flue chamber, a vent connection leading from the rear wall of thechamber, an atmospheric openingin said rear wall below the ventconnection, a curved top wall for the chamher, and a front wall, saidfront wall formed to provide a convex cusp directed toward the openingand merging with the top wall, said front wall serving to dischargedowndrafts from the vent through the opening and to direct out-goingproducts of combustion toward the vent connection.

5. A vent section of the character described comprising in combination,a flue chamber, a vent connection leading from the rear Wall of thechamber, said rear wall having an atmospheric opening located below thevent connection, the wall of the flue chamber opposite the opening andvent connection having a sloping portion for directing out-goingproducts of combustion toward the vent, and an arcuate portionconnecting with the sloping portion and merging in the top wall fordirecting the down drafts toward the atmospheric opening.

6. A radiator of the class described, hav ing in combination, ventsection and a plurality of adjacent sections communicating with the ventsection, said vent section comprising a chamber formed by a curved topwall terminating in a rearwardly extending portion, oppositely disposedvertical side walls, and a sloping front wall merging with therearwardly extending portion of the top wall, a vent connectioncommunicating with said chamber, said chamber having an opening providedin the same wall as the vent connection and leading to the atmosphere,the wall having the vent and opening being curved below the opening in adirection toward the sloping front wall to provide a restricted passagefor the flue gases.

7. A radiator of the class described, having in combination, a ventsection and a plurality of adjacent sections communicating with the ventsection, said vent section comprising 1- chamber including a rear wallhaving a vent connection and an atmospheric opening, and a top wall,said top wall providing a downwardly concave curved surface mergingdirectly with an arcuate portion also having a concave contour, saidportion being positioned diagonally opposite the vent connection anddirectly opposite the atmospheric opening whereby down drafts from theflue are directed toward the atmospheric opening.

"5 Signed at Los Angeles, California, this 14th day of July, 1931.

EUGENE V. DAILY.

